San Sebastian fired eight of the last 10 points in the fourth set as it routed University of Santo Tomas, 25-20, 25-18, 16-25, 25-19, yesterday in the quarterfinals of the Shakey’s V-League Season 13 Collegiate Conference at the Philsports Arena in Pasig City.

Tied 17-all, Grethcel Soltones and Katherine Villegas launched a spirited attack behind the net to dominate the Tigresses and improve to 2-1 win-loss in the six-team carryover phase.